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- Paleoethnobotany Laboratory
- Parent resources, see Mizzou Families
- ParentLink
- Parking and Transportation Services
- Pathology and Anatomical Sciences
- Peace Studies
- People Finder
- Personal Financial Planning
- Pharmacology and Physiology, Medical
- Philosophy
- Phone services
- Photojournalism, see Missouri School of Journalism
- Physical Medicine and Rehabilitation
- Physical Therapy
- Physics and Astronomy
- Physiology
- PhysZOU Clinic
- Planning, Design and Construction
- Plant Sciences
- Plant Transformation Core Facility
- Police Department (MUPD)
- Policies: Business Policy and Procedure Manual (BPPM)
- Policies: Collected Rules and Regulations
- Policies: Human Resources Manual
- Policies: Student Standard of Conduct
- Political Science
- Portuguese, see School of Languages, Literatures, and Cultures
- Power the Roar
- Pre-dentistry advising
- Pre-med advising
- Pre-optometry advising
- Pre-physician assistant advising
- Precision Health Initiative, NextGen
- Precision Health Institute, NextGen
- President's Office
- Print and Mail Services
- Print Services
- Procurement, see UM System Supply Chain
- Promotion and tenure, see Provost Office
- Proteomics Center
- Provost, Office of
- Psychiatry
- Psychological Sciences
- Psychology, see Psychological Sciences
- Public Affairs, Truman School of
- Public Health, see Department of Health Sciences
- Public Policy, Institute of
- Purchasing, see UM System Supply Chain